Ultrasonic Repeller: This cat repellent uses ultrasound and LED lights to repel dogs, cats, martens, raccoons, mice, birds, foxes, rodents, martens, game, etc. The device operates without chemicals and is harmless to humans and animals. Motion Sensor: Dual speaker design with an enlarged degree for emitting sound waves, acoustic coverage up to 5,000 square feet; the right and left angle of the infrared sensor is 110 degrees, the up and down angle is 55 degrees, as long as animals are close within 30 feet, the ultrasonic repellent will be activated by the motion sensor. /li> Waterproof and Weatherproof: Unique seal and waterproof design allow you to install it anywhere. The animal repellent can be mounted on the ground or wall or directly placed on a flat surface. Ideal for outdoor areas such as gardens, construction sites, decks, garages, driveways, terraces, farms, ponds, but also attics, etc. 2 Charging Modes and 5 Adjustable Modes: Built-in 3 AA batteries, charged by solar energy